<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="./vue.js"></script>
    <style>
        /* 隐藏未编译的变量 */

        [v-cloak] {
            display: none;
        }

        * {
            margin: 0;
            padding: 0;
        }

        body {
            font: 15px/1.3 'Open Sans', sans-serif;
            color: #5e5b64;
            text-align: center;
        }

        a, a:visited {
            outline: none;
            color: #389dc1;
        }

        a:hover {
            text-decoration: none;
        }

        section, footer, header, aside, nav {
            display: block;
        }

        /*-------------------------
            搜索框
        --------------------------*/

        .bar {
            background-color: #5c9bb7;

            background-image: -webkit-linear-gradient(top, #5c9bb7, #5392ad);
            background-image: -moz-linear-gradient(top, #5c9bb7, #5392ad);
            background-image: linear-gradient(top, #5c9bb7, #5392ad);

            box-shadow: 0 1px 1px #ccc;
            border-radius: 2px;
            width: 580px;
            padding: 10px;
            margin: 45px auto 25px;
            position: relative;
            text-align: right;
            line-height: 1;
        }

        .bar a {
            background: #4987a1 center center no-repeat;
            width: 32px;
            height: 32px;
            display: inline-block;
            text-decoration: none !important;
            margin-right: 5px;
            border-radius: 2px;
            cursor: pointer;
        }

        .bar a.active {
            background-color: #c14694;
        }

        .bar a.list-icon {
            background-image: url();
        }

        .bar a.grid-icon {
            background-image: url();
        }

        .bar input {
            background: #fff no-repeat 13px 13px;

            border: none;
            width: 100%;
            line-height: 19px;
            padding: 11px 0;

            border-radius: 2px;
            box-shadow: 0 2px 8px #c4c4c4 inset;
            text-align: left;
            font-size: 14px;
            font-family: inherit;
            color: #738289;
            font-weight: bold;
            outline: none;
            text-indent: 40px;
        }

        /*-------------------------
            列表布局
        --------------------------*/

        ul.list {
            list-style: none;
            width: 500px;
            margin: 0 auto;
            text-align: left;
        }

        ul.list li {
            border-bottom: 1px solid #ddd;
            padding: 10px;
            overflow: hidden;
        }

        ul.list li img {
            width: 120px;
            height: 120px;
            float: left;
            border: none;
        }

        ul.list li p {
            margin-left: 135px;
            font-weight: bold;
            color: #6e7a7f;
        }

        /*-------------------------
            网格布局
        --------------------------*/

        ul.grid {
            list-style: none;
            width: 570px;
            margin: 0 auto;
            text-align: left;
        }

        ul.grid li {
            padding: 2px;
            float: left;
        }

        ul.grid li img {
            width: 280px;
            height: 280px;
            object-fit: cover;
            display: block;
            border: none;
        }
    </style>
</head>
<body>
<form action="" id="main" v-cloak>
    <div class="bar">
        <a class="list-icon" v-bind:class="{'active':layout == 'list'}" v-on:click="layout='list'"></a>
        <a class="grid-icon" v-bind:class="{'active':layout == 'grid'}" v-on:click="layout='grid'"></a>
    </div>

    <ul v-if="layout == 'grid'" class="grid">
        <li v-for="a in articles">
            <a v-bind:href="a.url" target="_blank">
                <img v-bind:src="a.image.large" alt="">
            </a>
        </li>
    </ul>
    <ul v-if="layout == 'list'" class="list">
        <li v-for="a in articles">
            <a v-bind:href="a.url" target="_blank">
                <img v-bind:src="a.image.small" alt="">
            </a>
            <p>{{a.title}}</p>
        </li>
    </ul>
</form>

<script>
    new Vue({
        el: "#main",
        data: {
            layout: "grid",
            articles: [{
                "title": "HTML 教程",
                "url": "https://www.runoob.com/html/html-tutorial.html",
                "image": {
                    "large": "https://static.runoob.com/images/mix/htmlbig.png",
                    "small": "https://static.runoob.com/images/icon/html.png"
                }
            },
                {
                    "title": "CSS 教程",
                    "url": "https://www.runoob.com/css/css-tutorial.html",
                    "image": {
                        "large": "https://static.runoob.com/images/mix/cssbig.png",
                        "small": "https://static.runoob.com/images/icon/css.png"
                    }
                },
                {
                    "title": "JS 教程",
                    "url": "https://www.runoob.com/js/js-tutorial.html",
                    "image": {
                        "large": "https://static.runoob.com/images/mix/jsbig.jpeg",
                        "small": "https://static.runoob.com/images/icon/js.png"
                    }
                },
                {
                    "title": "SQL  教程",
                    "url": "https://www.runoob.com/sql/sql-tutorial.html",
                    "image": {
                        "large": "https://static.runoob.com/images/mix/sqlbig.png",
                        "small": "https://static.runoob.com/images/icon/sql.png"
                    }
                },
                {
                    "title": "Ajax 教程",
                    "url": "https://www.runoob.com/ajax/ajax-tutorial.html",
                    "image": {
                        "large": "https://static.runoob.com/images/mix/ajaxbig.png",
                        "small": "https://static.runoob.com/images/icon/ajax.png"
                    }
                },
                {
                    "title": "Python 教程",
                    "url": "https://www.runoob.com/pyhton/pyhton-tutorial.html",
                    "image": {
                        "large": "https://static.runoob.com/images/mix/pythonbig.png",
                        "small": "https://static.runoob.com/images/icon/python.png"
                    }
                }]
        }
    })
</script>
</body>
</html>